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<li class="navelem"><a class="el" href="dir_b574b0807182fd54d29cf48452072c45.html">session</a></li><li class="navelem"><a class="el" href="dir_e8a6be6454742763ef88d859db4d5829.html">detail</a></li><li class="navelem"><a class="el" href="dir_0ec06e8c7fb5f28b16ad5cd684ffbafc.html">shm</a></li><li class="navelem"><a class="el" href="dir_227cbe559f4164f1c4cf4abf7bafbe8c.html">arena_lend</a></li><li class="navelem"><a class="el" href="dir_2274bd8bf2aa5079c91aaa407be30e38.html">jemalloc</a></li>  </ul>
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  <div class="headertitle"><div class="title">client_session_impl.hpp</div></div>
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<a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow-IPC: SHM-jemalloc</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright (c) 2023 Akamai Technologies, Inc.; and other contributors.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * Each commit is copyright by its respective author or author&#39;s employer.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * Licensed under the MIT License:</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to deal</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * in the Software without restriction, including without limitation the rights</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * copies of the Software, and to permit persons to whom the Software is</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * furnished to do so, subject to the following conditions:</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> *</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * The above copyright notice and this permission notice shall be included in</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * all copies or substantial portions of the Software.</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> *</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * THE SOFTWARE. */</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"></span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#include &quot;ipc/shm/arena_lend/owner_shm_pool_listener_for_repository.hpp&quot;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#include &quot;<a class="code" href="pool__arena_8hpp.html">ipc/shm/classic/pool_arena.hpp</a>&quot;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">#include &quot;<a class="code" href="arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2session__impl_8hpp.html">ipc/session/detail/shm/arena_lend/jemalloc/session_impl.hpp</a>&quot;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#include &quot;<a class="code" href="ipc__session_2src_2ipc_2session_2detail_2client__session__impl_8hpp.html">ipc/session/detail/client_session_impl.hpp</a>&quot;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="preprocessor">#include &quot;<a class="code" href="ipc__session_2src_2ipc_2session_2error_8hpp.html">ipc/session/error.hpp</a>&quot;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="namespaceipc_1_1session_1_1shm_1_1arena__lend.html">   34</a></span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc.html">ipc::session::shm::arena_lend::jemalloc</a></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span>{</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment">// Types.</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"></span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment">/**</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> * Core internally-used implementation of shm::arena_lend::jemalloc::Client_session: it is to the latter what its</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> * `public` super-class Client_session_impl is to #Client_session.</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> *</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> * @see shm::arena_lend::jemalloc::Client_session doc header which covers both its public behavior/API and a</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> *      detailed sketch of the entire implementation.</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> *</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> * @tparam S_MQ_TYPE_OR_NONE</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> *         See shm::arena_lend::jemalloc::Client_session counterpart.</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> * @tparam S_TRANSMIT_NATIVE_HANDLES</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> *         See shm::arena_lend::jemalloc::Client_session counterpart.</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment"> * @tparam Mdt_payload</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"> *         See shm::arena_lend::jemalloc::Client_session counterpart.</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment"> */</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="keyword">template</span>&lt;session::schema::MqType S_MQ_TYPE_OR_NONE, <span class="keywordtype">bool</span> S_TRANSMIT_NATIVE_HANDLES, <span class="keyword">typename</span> Mdt_payload&gt;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html">   54</a></span><span class="keyword">class </span><a class="code hl_class" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html">Client_session_impl</a> :</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>  <span class="keyword">public</span> <a class="code hl_class" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Session__impl.html">Session_impl</a>&lt;session::Client_session_impl&lt;S_MQ_TYPE_OR_NONE, S_TRANSMIT_NATIVE_HANDLES, Mdt_payload,</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>                                                   session::schema::ShmType::JEMALLOC,</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>                                                   <span class="comment">// Session_base::Graceful_finisher doc header explains why true here:</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>                                                   true&gt;&gt;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>{</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>  <span class="comment">// Types.</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment"></span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">  /// Short-hand for our non-`virtual` base.</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#adcac8ed7fad784120c032276510dc409">   64</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_class" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Session__impl.html">Base</a> = <a class="code hl_class" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Session__impl.html">Session_impl</a></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>                 &lt;<a class="code hl_class" href="classipc_1_1session_1_1Client__session__impl.html">session::Client_session_impl</a>&lt;S_MQ_TYPE_OR_NONE, S_TRANSMIT_NATIVE_HANDLES, Mdt_payload,</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>                                               session::schema::ShmType::JEMALLOC, <span class="keyword">true</span>&gt;&gt;;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>  <span class="comment">// Constructors/destructor.</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"></span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">   * See session::Client_session_impl::Client_session_impl() counterpart.  Internally, in addition, we set up</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">   * a SHM-pool cleanup algorithm.</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">   *</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">   * @param logger_ptr</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">   * @param cli_app_ref</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment">   * @param srv_app_ref</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment">   * @param on_err_func</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">   * @param on_passive_open_channel_func</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">   */</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> On_passive_open_channel_handler, <span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a2b5cecc4850a58fd597542df2fc4c890">Client_session_impl</a>(flow::log::Logger* logger_ptr,</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>                               <span class="keyword">const</span> <a class="code hl_struct" href="structipc_1_1session_1_1Client__app.html">Client_app</a>&amp; cli_app_ref, <span class="keyword">const</span> <a class="code hl_struct" href="structipc_1_1session_1_1Server__app.html">Server_app</a>&amp; srv_app_ref,</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>                               Task_err&amp;&amp; on_err_func,</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>                               On_passive_open_channel_handler&amp;&amp; on_passive_open_channel_func);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment"></span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment">   * See session::Client_session_impl::Client_session_impl() counterpart.  Internally, in addition, we set up</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">   * a SHM-pool cleanup algorithm.</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment">   *</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment">   * @param logger_ptr</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment">   * @param cli_app_ref</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">   * @param srv_app_ref</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment">   * @param on_err_func</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment">   */</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a2b5cecc4850a58fd597542df2fc4c890">Client_session_impl</a>(flow::log::Logger* logger_ptr,</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>                               <span class="keyword">const</span> <a class="code hl_struct" href="structipc_1_1session_1_1Client__app.html">Client_app</a>&amp; cli_app_ref, <span class="keyword">const</span> <a class="code hl_struct" href="structipc_1_1session_1_1Server__app.html">Server_app</a>&amp; srv_app_ref,</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>                               Task_err&amp;&amp; on_err_func);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment"></span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">   * Destructor.</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment">   * Internally: at least does what it must according to session::Client_session_impl::dtor_async_worker_stop()</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">   * doc header contract.  See inside for comment more resembling English hopefully.</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">   */</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>  <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#ae92d6e8e0474dd9d4a40642aaee347f5">~Client_session_impl</a>();</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment"></span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment">   * See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">   *</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment">   * @param err_code</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">   * @return See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">   */</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#aa15e045f4062fae5f2f4f6280719757d">sync_connect</a>(<a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code);</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="comment"></span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment">   * See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment">   *</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">   * @param mdt</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">   * @param init_channels_by_cli_req_pre_sized</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment">   * @param mdt_from_srv_or_null</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment">   * @param init_channels_by_srv_req</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">   * @param err_code</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">   * @return See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment">   */</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#aa15e045f4062fae5f2f4f6280719757d">sync_connect</a>(<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">Base::Base::Base::Mdt_builder_ptr</a>&amp; mdt,</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>                    <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>                    <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>* mdt_from_srv_or_null,</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>                    <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_srv_req,</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>                    <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>  <span class="comment">// The LOG_*() macros don&#39;t see Log_context::get_log*() from base otherwise....</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>  <span class="keyword">using </span>flow::log::Log_context::get_logger;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>  <span class="keyword">using </span>flow::log::Log_context::get_log_component;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment"></span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment">   * See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment">   *</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">   * @param mdt</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">   * @param init_channels_by_cli_req_pre_sized</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment">   * @param mdt_from_srv_or_null</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment">   * @param init_channels_by_srv_req</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">   * @param on_done_func</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">   * @return See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment">   */</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#abe4bd95f3ffe3db708b304397cffd8e0">async_connect</a>(<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">Base::Base::Base::Mdt_builder_ptr</a>&amp; mdt,</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>                     <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>                     <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>* mdt_from_srv_or_null,</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>                     <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_srv_req,</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>                     Task_err&amp;&amp; on_done_func);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="comment"></span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="comment">  /// Invoked on #m_async_cleanup_worker, performs a round of the SHM-pool cleanup algorithm and schedules same.</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="comment"></span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a697e64450297808bb9ca5c6a870c1fe9">cleanup</a>();</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>  <span class="comment">// Data.</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment"></span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="comment">   * This guy needs to be around, with each arena (in our case, out of the box, just session_shm()) registered</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span><span class="comment">   * against it, for shm::stl::Arena_allocator (and thus STL/allocator-compliant data structures, including</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="comment">   * containers like our own transport::struc::shm::Capnp_message_builder::Segments_in_shm) to work properly with that</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="comment">   * arena.</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment">   *</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment">   * Details:</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="comment">   *   - It is recommended there are not tons of these lying around, but in a production application there</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">   *     should be one session::Client_session around at a time at most.  So keeping this here makes sense.</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">   *   - It is *not* a problem if there is more than one per process; so if there are more sessions around</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment">   *     in the process, it won&#39;t cause any problem.  It&#39;s not a singleton situation.</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment">   *</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment">   * There is also one in each Session_server.</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="comment">   */</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#ad1cf86692c17aa00fb175996d825f11f">  196</a></span>  ipc::shm::arena_lend::Owner_shm_pool_listener_for_repository <a class="code hl_variable" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#ad1cf86692c17aa00fb175996d825f11f">m_shm_arena_pool_listener</a>;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment"></span> </div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="comment">   * Thread used for low-priority periodic low-priority cleanup work.  See cleanup().</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment">   *</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment">   * ### Rationale ###</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="comment">   * Why not piggy-back on session::Client_session_impl&#39;s thread W?  Answer: That guy actually does important stuff</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment">   * sometimes; we would not want some endless scan through /dev/shm (or whatever) to delay a channel opening</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment">   * or some-such.  So just parallelize it.</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">   */</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a992fd889ad66447d938032e049dada11">  206</a></span>  flow::async::Single_thread_task_loop <a class="code hl_variable" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a992fd889ad66447d938032e049dada11">m_async_cleanup_worker</a>;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>}; <span class="comment">// class Client_session_impl</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="comment">// Free functions: in *_fwd.hpp.</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="comment">// Template implementations.</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="comment"></span> </div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="comment">/// Internally used macro; public API users should disregard (same deal as in struc/channel.hpp).</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"><a class="line" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">  214</a></span><span class="comment"></span><span class="preprocessor">#define TEMPLATE_JEM_CLI_SESSION_IMPL \</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="preprocessor">  template&lt;session::schema::MqType S_MQ_TYPE_OR_NONE, bool S_TRANSMIT_NATIVE_HANDLES, typename Mdt_payload&gt;</span><span class="comment"></span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="comment">/// Internally used macro; public API users should disregard (same deal as in struc/channel.hpp).</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"><a class="line" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#ad4efb0e9050646fc5f3e2c55871d9e2c">  217</a></span><span class="comment"></span><span class="preprocessor">#define CLASS_JEM_CLI_SESSION_IMPL \</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span><span class="preprocessor">  Client_session_impl&lt;S_MQ_TYPE_OR_NONE, S_TRANSMIT_NATIVE_HANDLES, Mdt_payload&gt;</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span><a class="code hl_define" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">TEMPLATE_JEM_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> On_passive_open_channel_handler, <span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a2b5cecc4850a58fd597542df2fc4c890">  222</a></span>CLASS_JEM_CLI_SESSION_IMPL::Client_session_impl(flow::log::Logger* logger_ptr,</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>                                                <span class="keyword">const</span> <a class="code hl_struct" href="structipc_1_1session_1_1Client__app.html">Client_app</a>&amp; cli_app_ref, <span class="keyword">const</span> <a class="code hl_struct" href="structipc_1_1session_1_1Server__app.html">Server_app</a>&amp; srv_app_ref,</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>                                                Task_err&amp;&amp; on_err_func,</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>                                                On_passive_open_channel_handler&amp;&amp; on_passive_open_channel_func) :</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>  <a class="code hl_class" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Session__impl.html">Base</a>(logger_ptr, cli_app_ref, srv_app_ref, std::move(on_err_func), std::move(on_passive_open_channel_func)),</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>  m_shm_arena_pool_listener(get_logger()),</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>  m_async_cleanup_worker(get_logger(),</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>                         <span class="comment">// Generally follow the lead of vanilla Client_session_impl::m_async_worker ctor call here:</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>                         flow::util::ostream_op_string(<span class="stringliteral">&quot;CSnJCl-&quot;</span>, srv_app_ref.m_name, <span class="stringliteral">&#39;&lt;&#39;</span>, cli_app_ref.m_name))</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>{</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>  <a class="code hl_variable" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a992fd889ad66447d938032e049dada11">m_async_cleanup_worker</a>.start(flow::async::reset_this_thread_pinning);</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>  <span class="comment">// Don&#39;t inherit any strange core-affinity!  ^-- Worker must float free.</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>  <a class="code hl_variable" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a992fd889ad66447d938032e049dada11">m_async_cleanup_worker</a>.post([<span class="keyword">this</span>]() { <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a697e64450297808bb9ca5c6a870c1fe9">cleanup</a>(); });</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>}</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><a class="code hl_define" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">TEMPLATE_JEM_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a90282a453208db4865c62aacf35e3dc3">  240</a></span>CLASS_JEM_CLI_SESSION_IMPL::Client_session_impl(flow::log::Logger* logger_ptr,</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>                                                <span class="keyword">const</span> <a class="code hl_struct" href="structipc_1_1session_1_1Client__app.html">Client_app</a>&amp; cli_app_ref, <span class="keyword">const</span> <a class="code hl_struct" href="structipc_1_1session_1_1Server__app.html">Server_app</a>&amp; srv_app_ref,</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>                                                Task_err&amp;&amp; on_err_func) :</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>  <a class="code hl_class" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Session__impl.html">Base</a>(logger_ptr, cli_app_ref, srv_app_ref, std::move(on_err_func)),</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>  m_shm_arena_pool_listener(get_logger()),</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>  m_async_cleanup_worker(get_logger(),</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>                         <span class="comment">// @todo Copy-pasting here... not great.</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>                         flow::util::ostream_op_string(<span class="stringliteral">&quot;CSnJCl-&quot;</span>, srv_app_ref.m_name, <span class="stringliteral">&#39;&lt;&#39;</span>, cli_app_ref.m_name))</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>{</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>  <a class="code hl_variable" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a992fd889ad66447d938032e049dada11">m_async_cleanup_worker</a>.start(flow::async::reset_this_thread_pinning);</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>  <span class="comment">// Don&#39;t inherit any strange core-affinity!  ^-- Worker must float free.</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span> </div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>  <a class="code hl_variable" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a992fd889ad66447d938032e049dada11">m_async_cleanup_worker</a>.post([<span class="keyword">this</span>]() { <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a697e64450297808bb9ca5c6a870c1fe9">cleanup</a>(); });</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>}</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><a class="code hl_define" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">TEMPLATE_JEM_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#ae92d6e8e0474dd9d4a40642aaee347f5">  256</a></span>CLASS_JEM_CLI_SESSION_IMPL::~Client_session_impl()</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>{</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>  <span class="comment">// See explanation in ~Server_session_impl().  Same deal here.</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>  Base::Base::dtor_async_worker_stop();</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>  <span class="comment">// Thread W has been joined.</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>}</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span> </div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><a class="code hl_define" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">TEMPLATE_JEM_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#aa15e045f4062fae5f2f4f6280719757d">  264</a></span><span class="keywordtype">bool</span> CLASS_JEM_CLI_SESSION_IMPL::sync_connect(<a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code)</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>{</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>  <span class="keywordflow">return</span> sync_connect(Base::Base::mdt_builder(), <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, err_code);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>}</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span> </div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span><a class="code hl_define" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">TEMPLATE_JEM_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a0074bef702ab1b30d5f5234c10ac1435">  270</a></span><span class="keywordtype">bool</span> CLASS_JEM_CLI_SESSION_IMPL::sync_connect(<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">Base::Base::Base::Mdt_builder_ptr</a>&amp; mdt,</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>                                              <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>                                              <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>* mdt_from_srv_or_null,</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>                                              <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_srv_req,</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>                                              <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code)</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>{</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>  <span class="keyword">using </span>flow::async::Task_asio_err;</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>  <a class="code hl_typedef" href="namespaceipc.html#aa455c7f045059736578ca275fc1a851f">Function</a>&lt;bool (Task_asio_err&amp;&amp;)&gt; async_connect_impl_func = [&amp;](Task_asio_err&amp;&amp; on_done_func) -&gt; <span class="keywordtype">bool</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>  {</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>    <span class="keywordflow">return</span> async_connect(mdt, init_channels_by_cli_req_pre_sized, mdt_from_srv_or_null, init_channels_by_srv_req,</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>                         std::move(on_done_func));</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>  };</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>  <span class="keywordflow">return</span> Base::Base::sync_connect_impl(err_code, &amp;async_connect_impl_func);</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>}</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span> </div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><a class="code hl_define" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">TEMPLATE_JEM_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#abe4bd95f3ffe3db708b304397cffd8e0">  288</a></span><span class="keywordtype">bool</span> CLASS_JEM_CLI_SESSION_IMPL::async_connect</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>       (<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">Base::Base::Base::Mdt_builder_ptr</a>&amp; mdt,</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>* mdt_from_srv_or_null,</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_srv_req,</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>        Task_err&amp;&amp; on_done_func)</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>{</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>  <span class="keyword">using </span>flow::util::ostream_op_string;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>  <span class="keyword">using </span>boost::make_shared;</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>  <span class="keyword">using </span>boost::shared_ptr;</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>  <span class="keyword">using </span>std::to_string;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>  <span class="keyword">using </span><a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Channels</a> = <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>;</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>  <span class="keyword">using </span><a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Mdt_reader_ptr</a> = <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>  <span class="keyword">using </span><a class="code hl_class" href="classipc_1_1transport_1_1struc_1_1Channel.html">Master_structured_channel</a> = <span class="keyword">typename</span> <a class="code hl_class" href="classipc_1_1transport_1_1struc_1_1Channel.html">Base::Base::Base::Master_structured_channel</a>;</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span> </div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>  <span class="comment">/* This being an arena-lending style of SHM-provider, it&#39;s quite different and somewhat more complex than</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="comment">   * shm::classic to deal with; but basically there are two items to set up: the Arena(s) where stuff is allocated</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span><span class="comment">   * on *this* side; and the Shm_session which can lend from said Arena(s) and borrow from *any* opposing Arena(s)</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span><span class="comment">   * Session_server sets up.  They&#39;re just objects which are synchronously constructed, and that&#39;s it.  However</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span><span class="comment">   * Shm_session requires a Channel over which to conduct internal communications needed by this and opposing</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span><span class="comment">   * Shm_session.  So that&#39;s the main difficulty, as it&#39;s asynchronous.  That said the base vanilla Client_impl</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span><span class="comment">   * provides some protected methods -- cancel_peer_state_to_connecting() on --</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span><span class="comment">   * that make it pretty simple.  The Channel, specifically, just needs a single</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span><span class="comment">   * bidirectional Native_socket_stream.  Same as when opening that type of channel for the user, Session_server</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span><span class="comment">   * creates a socket-pair and sends us one of the `Native_handle`s (FDs) to us.  So we simply expect_msg() it</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="comment">   * on the session-master-channel; we do it after the vanilla async_connect() completes successfully (the log-in</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span><span class="comment">   * and all that).  OK: let&#39;s go.  First do the vanilla async_connect() but substitute our additional steps</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span><span class="comment">   * as the handler, remembering the real user-provided handler to invoke eventually, god willing.</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="comment">   *</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span><span class="comment">   * Okay, another wrinkle (same as in shm::classic equivalent async_connect()); don&#39;t set the out-args, until</span></div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span><span class="comment">   * we are really successful; so put stuff into some intermediate targets first. */</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span> </div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>  <span class="keyword">auto</span> temp_init_channels_by_cli_req_pre_sized</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>    = init_channels_by_cli_req_pre_sized ? make_shared&lt;Channels&gt;(init_channels_by_cli_req_pre_sized-&gt;size())</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>                                         : shared_ptr&lt;Channels&gt;();</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>  <span class="keyword">auto</span> temp_mdt_from_srv_or_null</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>    = mdt_from_srv_or_null ? make_shared&lt;Mdt_reader_ptr&gt;() : shared_ptr&lt;Mdt_reader_ptr&gt;();</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>  <span class="keyword">auto</span> temp_init_channels_by_srv_req</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>    = init_channels_by_srv_req ? make_shared&lt;Channels&gt;() : shared_ptr&lt;Channels&gt;();</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span> </div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>  <span class="keywordflow">return</span> Base::Base::async_connect(mdt,</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>                                   temp_init_channels_by_cli_req_pre_sized.get(),</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>                                   temp_mdt_from_srv_or_null.get(),</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>                                   temp_init_channels_by_srv_req.get(),</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>                                   [<span class="keyword">this</span>, on_done_func = std::move(on_done_func),</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>                                    init_channels_by_cli_req_pre_sized, mdt_from_srv_or_null, init_channels_by_srv_req,</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>                                    temp_init_channels_by_cli_req_pre_sized, <span class="comment">// @todo Avoid s_p&lt;&gt; copies here.</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>                                    temp_mdt_from_srv_or_null,</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>                                    temp_init_channels_by_srv_req]</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>                                     (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>&amp; async_err_code)</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>  {</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>    <span class="comment">// We are in thread W (of vanilla Client_session_impl).</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span> </div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>    if (async_err_code)</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>    {</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>      <span class="comment">// No questions asked.  GTFO.</span></div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>      on_done_func(async_err_code);</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>      return;</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>    }</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>    <span class="comment">// else: Cool; now do our added steps.</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span> </div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>    <span class="comment">/* We&#39;re in PEER state... but as foreshadowed above, undo that.  Provide, as required, the new handler (like us...</span></div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span><span class="comment">     * but this time really-really final) that will run once either *we*</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span><span class="comment">     * eventually complete_async_connect_after_canceling_peer_state(success/failure); or a master-channel error</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span><span class="comment">     * hoses *this.  So this is the final stage of this whole thing. */</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>    <span class="keyword">const</span> <span class="keyword">auto</span> master_channel</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>      = Base::Base::cancel_peer_state_to_connecting([on_done_func = std::move(on_done_func),</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>                                                     init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>                                                     mdt_from_srv_or_null,</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>                                                     init_channels_by_srv_req,</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>                                                     <span class="comment">// @todo Avoid s_p&lt;&gt; copies here --v.</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>                                                     temp_init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>                                                     temp_mdt_from_srv_or_null,</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>                                                     temp_init_channels_by_srv_req]</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>                                                      (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>&amp; err_code)</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>    {</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>      <span class="comment">// We are in thread W (of vanilla Client_session_impl).</span></div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span> </div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>      if (!err_code)</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>      {</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>        <span class="comment">// Still good!  Finalize out-args.</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>        if (init_channels_by_cli_req_pre_sized)</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>        {</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>          *init_channels_by_cli_req_pre_sized = std::move(*temp_init_channels_by_cli_req_pre_sized);</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>        }</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>        if (mdt_from_srv_or_null)</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>        {</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>          *mdt_from_srv_or_null = std::move(*temp_mdt_from_srv_or_null);</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>        }</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>        if (init_channels_by_srv_req)</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>        {</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>          *init_channels_by_srv_req = std::move(*temp_init_channels_by_srv_req);</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>        }</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>      } <span class="comment">// if (!err_code)</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span> </div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span>      on_done_func(err_code); <span class="comment">// err_code could be truthy.</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>    }); <span class="comment">// cancel_peer_state_to_connecting()</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span> </div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>    <span class="comment">/* That was aspirational and hopeful.  Now, by cancel_peer_state_to_connecting() contract, actually kick off the</span></div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="comment">     * the actions that will async-lead to complete_async_connect_after_canceling_peer_state() which would</span></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span><span class="comment">     * cause the above handler to finally run (unless a session-master-channel error does so first).</span></div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span><span class="comment">     *</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span><span class="comment">     * Namely we just async-await the message with the Native_handle for the internal-use Channel.  So:</span></div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span><span class="comment">     * m_master_channel-&gt;expect_msg(..., [...](Msg_in_ptr m) { post([..., m]() { handle in-message m; }); });</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span><span class="comment">     * But m_master_channel is private in super-class, and that super-class instead gave us this nice</span></div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span><span class="comment">     * protected utility to use: */</span></div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>    master_channel-&gt;expect_msg(Master_structured_channel::Msg_which_in::JEMALLOC_SHM_SETUP,</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>                               [<span class="keyword">this</span>, master_channel]</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>                                 (<span class="keyword">typename</span> Master_structured_channel::Msg_in_ptr&amp;&amp; msg) <span class="keyword">mutable</span></div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>    {</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>      <span class="comment">// We are in thread Wc (unspecified, really struc::Channel async callback thread).</span></div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>      Base::Base::async_worker()-&gt;post([<span class="keyword">this</span>, master_channel, msg = std::move(msg)]() <span class="keyword">mutable</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>      {</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>        <span class="comment">// We are in thread W.</span></div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span>        <span class="keywordflow">if</span> (Base::Base::Base::hosed())</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>        {</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>          <span class="comment">// Must have emitted error somehow elsewhere.  async_connect() will fail.</span></div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>          <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>        }</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>        <span class="comment">// else</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span> </div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span>        <span class="comment">// That&#39;s the entire payload of the in-message.</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>        <span class="keyword">auto</span> local_hndl_or_null = msg-&gt;native_handle_or_null();</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span> </div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>        <span class="keywordflow">if</span> (local_hndl_or_null.null())</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>        {</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>          FLOW_LOG_WARNING(<span class="stringliteral">&quot;Client session [&quot;</span> &lt;&lt; *this &lt;&lt; <span class="stringliteral">&quot;]: Session-connect request: Vanilla async-connect&quot;</span></div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>                           <span class="stringliteral">&quot;succeeded, but opposing server failed to create the resources (pre-connected native handle &quot;</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span>                           <span class="stringliteral">&quot;pair for local stream socket connection) necessary for arena-lending SHM provider&#39;s &quot;</span></div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span>                           <span class="stringliteral">&quot;internal IPC needs.  Will go back to NULL state and report to user via &quot;</span></div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>                           <span class="stringliteral">&quot;on-async-connect handler.&quot;</span>);</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>          Base::Base::complete_async_connect_after_canceling_peer_state</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>            (session::error::Code::S_SESSION_OPEN_CHANNEL_SERVER_CANNOT_PROCEED_RESOURCE_UNAVAILABLE);</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span>          return;</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span>        }</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>        <span class="comment">/* else: We can make Channel, and upgrade to struc::Channel, with no further potential for errors.</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span><span class="comment">         *       Our super-class (shm::...::Session_mv) can handle those details and everything else including</span></div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span><span class="comment">         *       setting up the Arena.  That stuff is the same on the server and client, except server also sets</span></div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><span class="comment">         *       up an extra arena; but we don&#39;t have any extra steps.  So that&#39;s it!</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span><span class="comment">         *</span></div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span><span class="comment">         * Well, one last thing actually: The cleanup algorithm started/contained in our ctor depends on being able</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span><span class="comment">         * to parse-out the PID of the creating process from the pool name as obtained by</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span><span class="comment">         * doing Pool_arena::for_each_persistent() which trolls /dev/shm (in Linux at least).  Hence we shall place</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span><span class="comment">         * our PID at the expect place in the name via the mechanism provided for such things by init_shm(). */</span></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span> </div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>        FLOW_LOG_INFO(<span class="stringliteral">&quot;Client session [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Session-connect request: Vanilla async-connect succeeded, &quot;</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>                      <span class="stringliteral">&quot;and opposing server sent a resource (pre-connected native handle for &quot;</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>                      <span class="stringliteral">&quot;local stream socket connection) necessary for arena-lending SHM provider&#39;s internal &quot;</span></div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>                      <span class="stringliteral">&quot;IPC needs.  Will send ack and complete local SHM setup synchronously.&quot;</span>);</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span> </div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>        <span class="comment">// Don&#39;t forget to ack it.</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>        <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a> err_code;</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>        <span class="keywordflow">if</span> (!master_channel-&gt;send(master_channel-&gt;create_msg(), msg.get(), &amp;err_code))</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>        {</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>          if (err_code)</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>          {</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>            <span class="comment">// The send() detected new master_channel hosing.</span></div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>            Base::Base::complete_async_connect_after_canceling_peer_state(err_code);</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>          }</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>          <span class="comment">// else: Must have emitted error somehow elsewhere.  async_connect() will fail.</span></div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>          <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>        }</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>        <span class="comment">// else</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span> </div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>        <span class="comment">/* So just init_shm() left.</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span><span class="comment">         * It might have failed; if so, then that&#39;s that (nothing else to undo); or conversely, if it succeeds,</span></div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span><span class="comment">         * on this side there&#39;s nothing further to do either.  So just report the result of init_shm(). */</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>        err_code = Base::init_shm(std::move(local_hndl_or_null),</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>                                  <a class="code hl_function" href="classipc_1_1util_1_1Shared__name.html#a48f20b7b54490aa10dc64081d34c55b2">Shared_name::ct</a>(to_string(<a class="code hl_function" href="classipc_1_1util_1_1Process__credentials.html#a18c901aeeed11c91afcc6379260f02a5">util::Process_credentials::own_process_id</a>())));</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>        <span class="keywordflow">if</span> (!err_code)</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>        {</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>          <span class="comment">/* I lied (Arnie voice from Commando).  We also need to do this for each arena (we have just the one).</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span><span class="comment">           * Need this for arena-&gt;construct&lt;T&gt;(), where T is allocator-compliant thing such as STL containers,</span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span><span class="comment">           * to work. */</span></div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span><span class="preprocessor">#ifndef NDEBUG</span></div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span>          <span class="keyword">const</span> <span class="keywordtype">bool</span> ok =</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>          Base::session_shm()-&gt;add_shm_pool_listener(&amp;m_shm_arena_pool_listener);</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span>          assert(ok &amp;&amp; <span class="stringliteral">&quot;Maintenance bug?  It should only fail if already registered.&quot;</span>);</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>        }</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span> </div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>        Base::Base::complete_async_connect_after_canceling_peer_state(err_code);</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>      }); <span class="comment">// async_worker()-&gt;post()</span></div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>    }); <span class="comment">// master_channel-&gt;expect_msg()</span></div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span> </div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>    <span class="comment">// if (returned false) { Must have emitted error somehow elsewhere.  async_connect() will fail. }</span></div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>  }); <span class="comment">// return async_connect()</span></div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>} <span class="comment">// Client_session_impl::async_connect()</span></div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span> </div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span><a class="code hl_define" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">TEMPLATE_JEM_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a697e64450297808bb9ca5c6a870c1fe9">  478</a></span><span class="keywordtype">void</span> CLASS_JEM_CLI_SESSION_IMPL::cleanup()</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>{</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>  <span class="comment">// `classic`?  Pool_arena?!  But this is jemalloc!?!?!  Worry not.  See remove_each_persistent_if() doc header.</span></div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>  <span class="keyword">using </span><a class="code hl_class" href="classipc_1_1shm_1_1classic_1_1Pool__arena.html">ipc::shm::classic::Pool_arena</a>;</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>  <span class="keyword">using </span><a class="code hl_typedef" href="namespaceipc_1_1util.html#ae6ac47812a90d1287c61e0b7de7bc4f5">util::String_view</a>;</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>  <span class="keyword">using </span><a class="code hl_typedef" href="namespaceipc_1_1util.html#a0c44028a45451ebf21f6af8e806b2682">util::process_id_t</a>;</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>  <span class="keyword">using </span>boost::chrono::seconds;</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>  <span class="keyword">using </span>boost::lexical_cast;</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span> </div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>  <span class="keyword">constexpr</span> <a class="code hl_typedef" href="namespaceipc_1_1util.html#ac66141280c3b7295a86b65209f31cc58">util::Fine_duration</a> CLEANUP_PERIOD = seconds(30);</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span> </div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>  FLOW_LOG_TRACE(<span class="stringliteral">&quot;Client session [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Periodic (or initial) cleanup starting.&quot;</span>);</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span> </div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>  <span class="comment">/* This is just like Session_server::cleanup(), so see that guy for discussion first.  The differences here:</span></div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span><span class="comment">   *   - Like Session_server, we decode the pool creator&#39;s PID from a given pool&#39;s name; but in our case the</span></div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span><span class="comment">   *     creator is a client, so the srv_namespace() -- the server process&#39;s PID -- is not the right thing.</span></div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span><span class="comment">   *     That&#39;s why we added it specifically into the name in async_connect() when invoking Base::init_shm().</span></div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span><span class="comment">   *     So now we just parse it right out of there instead of the standard srv_namespace component.</span></div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span><span class="comment">   *   - Not a really-real difference but good to note: In practice (in production anyway) there&#39;s only one</span></div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span><span class="comment">   *     Session_server per process ever, so probably one Session_server&#39;s async cleanup algorithm won&#39;t</span></div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span><span class="comment">   *     be running concurrently with another.  There can definitely be multiple `Client_session`s though, albeit</span></div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span><span class="comment">   *     (in production anyway) not usually concurrently (but even then it&#39;s quite conceivable one Client_session</span></div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span><span class="comment">   *     is hosed but not destroyed as a C++ object; while another has been created; it&#39;s not recommended but should</span></div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span><span class="comment">   *     be harmless).  So there&#39;s a higher potential, arguably, for our async cleanup()-started algorithm</span></div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span><span class="comment">   *     concurrently running with another for the same Client_app.  It is fine however: again, the whole point of it</span></div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span><span class="comment">   *     is to only touch pools created by PIDs that are not around, not even in zombie form; and if one is indeed</span></div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span><span class="comment">   *     identified, then the worst thing that can possibly happen is the remove_persistent() (unlink) attempt</span></div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span><span class="comment">   *     will fail due to being unnecessary -- this is perfectly fine (we even suppress logs/errors, IIRC).</span></div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span><span class="comment">   *     Anyway: Noting here FYI.</span></div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span><span class="comment">   *</span></div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span><span class="comment">   * That said proceed in the (almost) same way as Session_server.  Keeping comments light. */</span></div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span> </div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span>  <span class="keyword">const</span> <span class="keyword">auto</span> n_removed</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span>    = util::remove_each_persistent_if&lt;Pool_arena&gt;(get_logger(),</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>                                                  [&amp;](<span class="keyword">const</span> <a class="code hl_class" href="classipc_1_1util_1_1Shared__name.html">Shared_name</a>&amp; shm_pool_name)</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>  {</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span>    <a class="code hl_class" href="classipc_1_1util_1_1Shared__name.html">Shared_name</a> resource_type;</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span>    <a class="code hl_class" href="classipc_1_1util_1_1Shared__name.html">Shared_name</a> cli_app_name;</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span>    <a class="code hl_class" href="classipc_1_1util_1_1Shared__name.html">Shared_name</a> the_rest;</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span> </div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>    <span class="keywordflow">if</span> (!(<a class="code hl_function" href="namespaceipc_1_1session.html#ac970e7d7b97c1a9737bd836a6a7f77ec">decompose_conventional_shared_name</a>(shm_pool_name,</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>                                             &amp;resource_type,</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>                                             <span class="keyword">nullptr</span>, <span class="comment">// srv_app_name: Needs to be there, but we don&#39;t care what it is.</span></div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>                                             <span class="keyword">nullptr</span>, <span class="comment">// srv_namespace: Ditto.</span></div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>                                             &amp;cli_app_name,</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>                                             <span class="keyword">nullptr</span>, <span class="comment">// cli_namespace_or_sentinel: Ditto.</span></div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>                                             &amp;the_rest)</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>          &amp;&amp; (resource_type == <a class="code hl_variable" href="classipc_1_1util_1_1Shared__name.html#a4c294e23753eb706b4c297d99d24cd48">Shared_name::S_RESOURCE_TYPE_ID_SHM</a>)</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>          &amp;&amp; (cli_app_name == Base::Base::Base::cli_app_ptr()-&gt;m_name)</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span>          &amp;&amp; <a class="code hl_typedef" href="namespaceipc_1_1util.html#ae6ac47812a90d1287c61e0b7de7bc4f5">String_view</a>(the_rest.<a class="code hl_function" href="classipc_1_1util_1_1Shared__name.html#ae89e1e061f87ffe0288514e254837595">str</a>()).starts_with((<a class="code hl_variable" href="namespaceipc_1_1session_1_1shm_1_1classic.html#a302c6f293732270b584f94193ffac1b8">SHM_SUBTYPE_PREFIX</a> + <a class="code hl_variable" href="classipc_1_1util_1_1Shared__name.html#a5c0910497c5ec484d3e42dfb0ccad48d">Shared_name::S_SEPARATOR</a>).str())))</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>    {</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>      <span class="comment">// Not our pool to possibly delete.  Misnamed; or not by this Client_app; or not from this SHM-provider.</span></div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>      return false;</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>    }</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span>    <span class="comment">// else</span></div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span> </div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>    <span class="comment">/* We must parse out the client-PID (as noted in big comment above).</span></div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span><span class="comment">     * the_rest should look like: SHM_SUBTYPE_PREFIX / --&gt;client-PID&lt;-- / more-stuff.</span></div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span><span class="comment">     * Hence make past_prefix point to: ---------------^ */</span></div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>    <a class="code hl_typedef" href="namespaceipc_1_1util.html#ae6ac47812a90d1287c61e0b7de7bc4f5">String_view</a> past_prefix(the_rest.<a class="code hl_function" href="classipc_1_1util_1_1Shared__name.html#ae89e1e061f87ffe0288514e254837595">str</a>());</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>    past_prefix.remove_prefix(<a class="code hl_variable" href="namespaceipc_1_1session_1_1shm_1_1classic.html#a302c6f293732270b584f94193ffac1b8">SHM_SUBTYPE_PREFIX</a>.<a class="code hl_function" href="classipc_1_1util_1_1Shared__name.html#ae89e1e061f87ffe0288514e254837595">str</a>().size() + 1);</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span>    <span class="comment">// Now cut off from here -------------------------------------------^.</span></div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>    <span class="keyword">const</span> <span class="keywordtype">size_t</span> sep_pos = past_prefix.find_first_of(<a class="code hl_variable" href="classipc_1_1util_1_1Shared__name.html#a5c0910497c5ec484d3e42dfb0ccad48d">Shared_name::S_SEPARATOR</a>);</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>    if (sep_pos == String_view::npos)</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span>    {</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>      <span class="comment">// Created by server; not us.</span></div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>    }</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span>    <span class="comment">// else</span></div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>    past_prefix.remove_suffix(past_prefix.size() - sep_pos);</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span> </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span>    <a class="code hl_typedef" href="namespaceipc_1_1util.html#a0c44028a45451ebf21f6af8e806b2682">process_id_t</a> pid = 0;</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span>    <span class="keywordflow">try</span></div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span>    {</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span>      pid = lexical_cast&lt;process_id_t&gt;(past_prefix);</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span>    }</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span>    catch (...) {}</div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span> </div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span>    <span class="keywordflow">if</span> (pid == 0)</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span>    {</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span>      FLOW_LOG_WARNING(<span class="stringliteral">&quot;Client session [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: During periodic cleanup found seemingly relevant &quot;</span></div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span>                       <span class="stringliteral">&quot;(based on prefix/form) SHM-pool named [&quot;</span> &lt;&lt; shm_pool_name &lt;&lt; <span class="stringliteral">&quot;]; but client-PID term &quot;</span></div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span>                       <span class="stringliteral">&quot;[&quot;</span> &lt;&lt; past_prefix &lt;&lt; <span class="stringliteral">&quot;] is not a valid-looking PID.  Ignoring; but this warrants &quot;</span></div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span>                       <span class="stringliteral">&quot;investigation.&quot;</span>);</div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span>      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span>    }</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span>    <span class="comment">// else</span></div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span> </div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceipc_1_1util.html#a924cd56daf7eeaa0b07edb352367f9ec">util::process_running</a>(pid))</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span>    {</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span>      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span>    }</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span>    <span class="comment">// else</span></div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span> </div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span>    FLOW_LOG_INFO(<span class="stringliteral">&quot;Client session [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: During periodic cleanup found SHM-pool &quot;</span></div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span>                  <span class="stringliteral">&quot;named [&quot;</span> &lt;&lt; shm_pool_name &lt;&lt; <span class="stringliteral">&quot;]; appears to have been created by a process of this application &quot;</span></div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span>                  <span class="stringliteral">&quot;that is no longer running, even as a zombie; perhaps it exited without graceful cleanup.  Will &quot;</span></div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span>                  <span class="stringliteral">&quot;attempt to remove it.  Competing cleanup(s) may be occurring concurrently; that is fine.&quot;</span>);</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span>    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span>  }); <span class="comment">// remove_each_persistent_if()</span></div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span>  <span class="keywordflow">if</span> (n_removed == 0)</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno">  579</span>  {</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span>    FLOW_LOG_TRACE(<span class="stringliteral">&quot;Client session [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Cleanup finished: remove none.&quot;</span>);</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span>  }</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span>  <span class="keywordflow">else</span></div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span>  {</div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span>    FLOW_LOG_INFO(<span class="stringliteral">&quot;Client session [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Cleanup finished: Removed [&quot;</span> &lt;&lt; n_removed &lt;&lt; <span class="stringliteral">&quot;] pools &quot;</span></div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span>                  <span class="stringliteral">&quot;successfully.&quot;</span>);</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span>  }</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno">  587</span> </div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>  m_async_cleanup_worker.schedule_from_now(CLEANUP_PERIOD, [<span class="keyword">this</span>](<span class="keyword">auto</span>&amp;&amp;) { cleanup(); });</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>} <span class="comment">// Client_session_impl::cleanup()</span></div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span> </div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span><a class="code hl_define" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">TEMPLATE_JEM_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a5044ac385b12210816fc95ca1d5408b6">  592</a></span>std::ostream&amp; <a class="code hl_function" href="namespaceipc_1_1session.html#a6b2f9a90ac9cc5098d9b90e7f547c97e">operator&lt;&lt;</a>(std::ostream&amp; os, <span class="keyword">const</span> <a class="code hl_define" href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#ad4efb0e9050646fc5f3e2c55871d9e2c">CLASS_JEM_CLI_SESSION_IMPL</a>&amp; val)</div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span>{</div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span>  <span class="keywordflow">return</span> os &lt;&lt; static_cast&lt;const typename CLASS_JEM_CLI_SESSION_IMPL::Base&amp;&gt;(val);</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>}</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span> </div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span><span class="preprocessor">#undef CLASS_JEM_CLI_SESSION_IMPL</span></div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span><span class="preprocessor">#undef TEMPLATE_JEM_CLI_SESSION_IMPL</span></div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span> </div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span>} <span class="comment">// namespace ipc::session::shm::arena_lend::jemalloc</span></div>
<div class="ttc" id="aarena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2session__impl_8hpp_html"><div class="ttname"><a href="arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2session__impl_8hpp.html">session_impl.hpp</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1Client__session__impl_html"><div class="ttname"><a href="classipc_1_1session_1_1Client__session__impl.html">ipc::session::Client_session_impl</a></div><div class="ttdoc">Internal, non-movable pImpl-lite implementation of Client_session_mv class template.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__session_2src_2ipc_2session_2detail_2client__session__impl_8hpp_source.html#l00217">client_session_impl.hpp:220</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1Session__base_html_a4a7a5b83f6ba8bd505685636eabc012b"><div class="ttname"><a href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">ipc::session::Session_base::Mdt_builder_ptr</a></div><div class="ttdeci">boost::shared_ptr&lt; Mdt_builder &gt; Mdt_builder_ptr</div><div class="ttdoc">See Session_mv (or Session concept).</div><div class="ttdef"><b>Definition:</b> <a href="session__base_8hpp_source.html#l00136">session_base.hpp:136</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1Session__base_html_a638232ef74a0eb80aeb4f027ee06f9bf"><div class="ttname"><a href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">ipc::session::Session_base::Channels</a></div><div class="ttdeci">std::vector&lt; Channel_obj &gt; Channels</div><div class="ttdoc">See Session_mv. Note: If changed from vector please update those doc headers too.</div><div class="ttdef"><b>Definition:</b> <a href="session__base_8hpp_source.html#l00122">session_base.hpp:122</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1Session__base_html_ace4dab42adec6354cc66081dd218ac71"><div class="ttname"><a href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">ipc::session::Session_base::Mdt_reader_ptr</a></div><div class="ttdeci">boost::shared_ptr&lt; typename transport::struc::schema::Metadata&lt; Mdt_payload_obj &gt;::Reader &gt; Mdt_reader_ptr</div><div class="ttdoc">See Session_mv (or Session concept).</div><div class="ttdef"><b>Definition:</b> <a href="session__base_8hpp_source.html#l00128">session_base.hpp:129</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl_html"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html">ipc::session::shm::arena_lend::jemalloc::Client_session_impl</a></div><div class="ttdoc">Core internally-used implementation of shm::arena_lend::jemalloc::Client_session: it is to the latter...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00054">client_session_impl.hpp:59</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl_html_a2b5cecc4850a58fd597542df2fc4c890"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a2b5cecc4850a58fd597542df2fc4c890">ipc::session::shm::arena_lend::jemalloc::Client_session_impl::Client_session_impl</a></div><div class="ttdeci">Client_session_impl(flow::log::Logger *logger_ptr, const Client_app &amp;cli_app_ref, const Server_app &amp;srv_app_ref, Task_err &amp;&amp;on_err_func, On_passive_open_channel_handler &amp;&amp;on_passive_open_channel_func)</div><div class="ttdoc">See session::Client_session_impl::Client_session_impl() counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00222">client_session_impl.hpp:222</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl_html_a697e64450297808bb9ca5c6a870c1fe9"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a697e64450297808bb9ca5c6a870c1fe9">ipc::session::shm::arena_lend::jemalloc::Client_session_impl::cleanup</a></div><div class="ttdeci">void cleanup()</div><div class="ttdoc">Invoked on m_async_cleanup_worker, performs a round of the SHM-pool cleanup algorithm and schedules s...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00478">client_session_impl.hpp:478</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl_html_a992fd889ad66447d938032e049dada11"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#a992fd889ad66447d938032e049dada11">ipc::session::shm::arena_lend::jemalloc::Client_session_impl::m_async_cleanup_worker</a></div><div class="ttdeci">flow::async::Single_thread_task_loop m_async_cleanup_worker</div><div class="ttdoc">Thread used for low-priority periodic low-priority cleanup work.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00206">client_session_impl.hpp:206</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl_html_aa15e045f4062fae5f2f4f6280719757d"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#aa15e045f4062fae5f2f4f6280719757d">ipc::session::shm::arena_lend::jemalloc::Client_session_impl::sync_connect</a></div><div class="ttdeci">bool sync_connect(Error_code *err_code)</div><div class="ttdoc">See Client_session_mv counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00264">client_session_impl.hpp:264</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl_html_abe4bd95f3ffe3db708b304397cffd8e0"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#abe4bd95f3ffe3db708b304397cffd8e0">ipc::session::shm::arena_lend::jemalloc::Client_session_impl::async_connect</a></div><div class="ttdeci">bool async_connect(const typename Base::Base::Base::Mdt_builder_ptr &amp;mdt, typename Base::Base::Base::Channels *init_channels_by_cli_req_pre_sized, typename Base::Base::Base::Mdt_reader_ptr *mdt_from_srv_or_null, typename Base::Base::Base::Channels *init_channels_by_srv_req, Task_err &amp;&amp;on_done_func)</div><div class="ttdoc">See session::Client_session_impl counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00288">client_session_impl.hpp:289</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl_html_ad1cf86692c17aa00fb175996d825f11f"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#ad1cf86692c17aa00fb175996d825f11f">ipc::session::shm::arena_lend::jemalloc::Client_session_impl::m_shm_arena_pool_listener</a></div><div class="ttdeci">ipc::shm::arena_lend::Owner_shm_pool_listener_for_repository m_shm_arena_pool_listener</div><div class="ttdoc">This guy needs to be around, with each arena (in our case, out of the box, just session_shm()) regist...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00196">client_session_impl.hpp:196</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl_html_ae92d6e8e0474dd9d4a40642aaee347f5"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Client__session__impl.html#ae92d6e8e0474dd9d4a40642aaee347f5">ipc::session::shm::arena_lend::jemalloc::Client_session_impl::~Client_session_impl</a></div><div class="ttdeci">~Client_session_impl()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00256">client_session_impl.hpp:256</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Session__impl_html"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_1_1Session__impl.html">ipc::session::shm::arena_lend::jemalloc::Session_impl</a></div><div class="ttdoc">Common data and logic for shm::arena_lend::jemalloc::Server_session_impl and shm::arena_lend::jemallo...</div><div class="ttdef"><b>Definition:</b> <a href="arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2session__impl_8hpp_source.html#l00059">session_impl.hpp:60</a></div></div>
<div class="ttc" id="aclassipc_1_1shm_1_1classic_1_1Pool__arena_html"><div class="ttname"><a href="classipc_1_1shm_1_1classic_1_1Pool__arena.html">ipc::shm::classic::Pool_arena</a></div><div class="ttdoc">A SHM-classic interface around a single SHM pool with allocation-algorithm services by boost....</div><div class="ttdef"><b>Definition:</b> <a href="pool__arena_8hpp_source.html#l00150">pool_arena.hpp:153</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1struc_1_1Channel_html"><div class="ttname"><a href="classipc_1_1transport_1_1struc_1_1Channel.html">ipc::transport::struc::Channel</a></div><div class="ttdoc">Owning and wrapping a pre-connected transport::Channel peer (an endpoint of an established channel ov...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__transport__structured_2src_2ipc_2transport_2struc_2channel_8hpp_source.html#l00580">channel.hpp:583</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Process__credentials_html_a18c901aeeed11c91afcc6379260f02a5"><div class="ttname"><a href="classipc_1_1util_1_1Process__credentials.html#a18c901aeeed11c91afcc6379260f02a5">ipc::util::Process_credentials::own_process_id</a></div><div class="ttdeci">static process_id_t own_process_id()</div><div class="ttdoc">Obtains the calling process's process_id().</div><div class="ttdef"><b>Definition:</b> <a href="process__credentials_8cpp_source.html#l00126">process_credentials.cpp:126</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html">ipc::util::Shared_name</a></div><div class="ttdoc">String-wrapping abstraction representing a name uniquely distinguishing a kernel-persistent entity fr...</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00241">shared_name.hpp:242</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html_a48f20b7b54490aa10dc64081d34c55b2"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html#a48f20b7b54490aa10dc64081d34c55b2">ipc::util::Shared_name::ct</a></div><div class="ttdeci">static Shared_name ct(const Source &amp;src)</div><div class="ttdoc">Copy-constructs from a char-sequence container (including string, util::String_view,...</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00674">shared_name.hpp:674</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html_a4c294e23753eb706b4c297d99d24cd48"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html#a4c294e23753eb706b4c297d99d24cd48">ipc::util::Shared_name::S_RESOURCE_TYPE_ID_SHM</a></div><div class="ttdeci">static const Shared_name S_RESOURCE_TYPE_ID_SHM</div><div class="ttdoc">Relative-folder fragment (no separators) identifying the resource type for: SHM pools.</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00312">shared_name.hpp:312</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html_a5c0910497c5ec484d3e42dfb0ccad48d"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html#a5c0910497c5ec484d3e42dfb0ccad48d">ipc::util::Shared_name::S_SEPARATOR</a></div><div class="ttdeci">static const char S_SEPARATOR</div><div class="ttdoc">Character we use, by convention, to separate conceptual folders within str().</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00266">shared_name.hpp:266</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html_ae89e1e061f87ffe0288514e254837595"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html#ae89e1e061f87ffe0288514e254837595">ipc::util::Shared_name::str</a></div><div class="ttdeci">const std::string &amp; str() const</div><div class="ttdoc">Returns (sans copying) ref to immutable entire wrapped name string, suitable to pass into sys calls w...</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8cpp_source.html#l00140">shared_name.cpp:140</a></div></div>
<div class="ttc" id="aipc__session_2src_2ipc_2session_2detail_2client__session__impl_8hpp_html"><div class="ttname"><a href="ipc__session_2src_2ipc_2session_2detail_2client__session__impl_8hpp.html">client_session_impl.hpp</a></div></div>
<div class="ttc" id="aipc__session_2src_2ipc_2session_2error_8hpp_html"><div class="ttname"><a href="ipc__session_2src_2ipc_2session_2error_8hpp.html">error.hpp</a></div></div>
<div class="ttc" id="aipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_html_a0ca3a1342aaa6f74f392bd17a3ecee74"><div class="ttname"><a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#a0ca3a1342aaa6f74f392bd17a3ecee74">TEMPLATE_JEM_CLI_SESSION_IMPL</a></div><div class="ttdeci">#define TEMPLATE_JEM_CLI_SESSION_IMPL</div><div class="ttdoc">Internally used macro; public API users should disregard (same deal as in struc/channel....</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00214">client_session_impl.hpp:214</a></div></div>
<div class="ttc" id="aipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_html_ad4efb0e9050646fc5f3e2c55871d9e2c"><div class="ttname"><a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp.html#ad4efb0e9050646fc5f3e2c55871d9e2c">CLASS_JEM_CLI_SESSION_IMPL</a></div><div class="ttdeci">#define CLASS_JEM_CLI_SESSION_IMPL</div><div class="ttdoc">Internally used macro; public API users should disregard (same deal as in struc/channel....</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00217">client_session_impl.hpp:217</a></div></div>
<div class="ttc" id="anamespaceipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc_html"><div class="ttname"><a href="namespaceipc_1_1session_1_1shm_1_1arena__lend_1_1jemalloc.html">ipc::session::shm::arena_lend::jemalloc</a></div><div class="ttdoc">Support for SHM-backed ipc::session sessions and session-servers with the SHM-jemalloc (ipc::shm::are...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm__arena__lend_2src_2ipc_2session_2detail_2shm_2arena__lend_2jemalloc_2client__session__impl_8hpp_source.html#l00034">client_session_impl.hpp:35</a></div></div>
<div class="ttc" id="anamespaceipc_1_1session_1_1shm_1_1classic_html_a302c6f293732270b584f94193ffac1b8"><div class="ttname"><a href="namespaceipc_1_1session_1_1shm_1_1classic.html#a302c6f293732270b584f94193ffac1b8">ipc::session::shm::classic::SHM_SUBTYPE_PREFIX</a></div><div class="ttdeci">const Shared_name SHM_SUBTYPE_PREFIX</div><div class="ttdoc">Internally used in pool names generated in this namespace to differentiate from those of other SHM-su...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2session__shared__name_8cpp_source.html#l00027">session_shared_name.cpp:27</a></div></div>
<div class="ttc" id="anamespaceipc_1_1session_html_a6b2f9a90ac9cc5098d9b90e7f547c97e"><div class="ttname"><a href="namespaceipc_1_1session.html#a6b2f9a90ac9cc5098d9b90e7f547c97e">ipc::session::operator&lt;&lt;</a></div><div class="ttdeci">std::ostream &amp; operator&lt;&lt;(std::ostream &amp;os, const App &amp;val)</div><div class="ttdoc">Prints string representation of the given App to the given ostream.</div><div class="ttdef"><b>Definition:</b> <a href="app_8cpp_source.html#l00124">app.cpp:124</a></div></div>
<div class="ttc" id="anamespaceipc_1_1session_html_ac970e7d7b97c1a9737bd836a6a7f77ec"><div class="ttname"><a href="namespaceipc_1_1session.html#ac970e7d7b97c1a9737bd836a6a7f77ec">ipc::session::decompose_conventional_shared_name</a></div><div class="ttdeci">bool decompose_conventional_shared_name(const Shared_name &amp;name, Shared_name *resource_type, Shared_name *srv_app_name, Shared_name *srv_namespace, Shared_name *cli_app_name, Shared_name *cli_namespace_or_sentinel, Shared_name *the_rest)</div><div class="ttdoc">Decomposes a Shared_name built as-if by build_conventional_shared_name() overload 1 (non-global-scope...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__session_2src_2ipc_2session_2detail_2session__shared__name_8cpp_source.html#l00114">session_shared_name.cpp:114</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a0c44028a45451ebf21f6af8e806b2682"><div class="ttname"><a href="namespaceipc_1_1util.html#a0c44028a45451ebf21f6af8e806b2682">ipc::util::process_id_t</a></div><div class="ttdeci">::pid_t process_id_t</div><div class="ttdoc">Syntactic-sugary type for POSIX process ID (integer).</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00143">util_fwd.hpp:143</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a924cd56daf7eeaa0b07edb352367f9ec"><div class="ttname"><a href="namespaceipc_1_1util.html#a924cd56daf7eeaa0b07edb352367f9ec">ipc::util::process_running</a></div><div class="ttdeci">bool process_running(process_id_t process_id)</div><div class="ttdoc">Returns true if and only if the given process (by PID) is reported as running by the OS.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__core_2src_2ipc_2util_2util_8cpp_source.html#l00134">util.cpp:134</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_ac66141280c3b7295a86b65209f31cc58"><div class="ttname"><a href="namespaceipc_1_1util.html#ac66141280c3b7295a86b65209f31cc58">ipc::util::Fine_duration</a></div><div class="ttdeci">flow::Fine_duration Fine_duration</div><div class="ttdoc">Short-hand for Flow's Fine_duration.</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00117">util_fwd.hpp:117</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_ae6ac47812a90d1287c61e0b7de7bc4f5"><div class="ttname"><a href="namespaceipc_1_1util.html#ae6ac47812a90d1287c61e0b7de7bc4f5">ipc::util::String_view</a></div><div class="ttdeci">flow::util::String_view String_view</div><div class="ttdoc">Short-hand for Flow's String_view.</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00115">util_fwd.hpp:115</a></div></div>
<div class="ttc" id="anamespaceipc_html_aa3192e586cc45d3e7c22463bf2760f89"><div class="ttname"><a href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">ipc::Error_code</a></div><div class="ttdeci">flow::Error_code Error_code</div><div class="ttdoc">Short-hand for flow::Error_code which is very common.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00298">common.hpp:298</a></div></div>
<div class="ttc" id="anamespaceipc_html_aa455c7f045059736578ca275fc1a851f"><div class="ttname"><a href="namespaceipc.html#aa455c7f045059736578ca275fc1a851f">ipc::Function</a></div><div class="ttdeci">flow::Function&lt; Signature &gt; Function</div><div class="ttdoc">Short-hand for polymorphic functor holder which is very common. This is essentially std::function.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00302">common.hpp:302</a></div></div>
<div class="ttc" id="apool__arena_8hpp_html"><div class="ttname"><a href="pool__arena_8hpp.html">pool_arena.hpp</a></div></div>
<div class="ttc" id="astructipc_1_1session_1_1Client__app_html"><div class="ttname"><a href="structipc_1_1session_1_1Client__app.html">ipc::session::Client_app</a></div><div class="ttdoc">An App that is used as a client in at least one client-server IPC split.</div><div class="ttdef"><b>Definition:</b> <a href="app_8hpp_source.html#l00184">app.hpp:185</a></div></div>
<div class="ttc" id="astructipc_1_1session_1_1Server__app_html"><div class="ttname"><a href="structipc_1_1session_1_1Server__app.html">ipc::session::Server_app</a></div><div class="ttdoc">An App that is used as a server in at least one client-server IPC split.</div><div class="ttdef"><b>Definition:</b> <a href="app_8hpp_source.html#l00205">app.hpp:206</a></div></div>
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